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4.
Quest Diagnostics
National Survey of Drug Use and Health (NSDUH)
• Annual survey of the civilian, non-institutionalized population of the United
States aged 12 years old or older
• Presents national estimates of rates of use, numbers of users, and other
measures related to illicit drugs, alcohol and tobacco products
• Self-reported use
• Approximately 67,500 persons are interviewed in NSDUH annually
| 4Lessons Employers Can Learn from the Quest Diagnostics Drug Testing Index™

15.
Quest Diagnostics
Positivity Rates by Drug Category
Urine Drug Tests – For U.S. General Workforce, as a Percentage of All Such Tests
| 15Lessons Employers Can Learn from the Quest Diagnostics Drug Testing Index™

20.
Quest Diagnostics
Positivity Rates by Drug Category
Oral Fluid Drug Tests - For U.S. General Workforce, as a Percentage of All Such Tests
| 20Lessons Employers Can Learn from the Quest Diagnostics Drug Testing Index™

28.
Quest Diagnostics
In Conclusion
• Drug users tend to work for employers without a drug testing program
• Data from the DTI and NSDUH suggests that drug testing is a deterrent to drug use by
employees and applicants
• DTI data and some media reports suggest that it may be harder to find drug-free
applicants
• Widening gap between oral fluid and urine marijuana positivity
• New oral fluid testing technology may help in identifying more marijuana users
• Hair testing continues to have a positivity rate more than 1.5x higher than urine
• Random positivity in both urine and hair have declined
• Amphetamines positivity continues to increase
• Cocaine positivity continues to decrease
| 28Lessons Employers Can Learn from the Quest Diagnostics Drug Testing Index™